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Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
March 27th
Secret clues to the Navy’s tangled drone story The story of the Navy’s stealth unmanned air vehicle has taken some new turns. Is a secret project behind the changes? read more
March 27th
Content Source:  Aviation Week & Space Technology MH370 Coverage read more
March 2nd
Abu Dhabi, UAE—Brazilian light aircraft company Novaer is looking for further investment to develop its new modular training aircraft for the commercial and military market. Novaer, based at Sao Jose de Campos, flew its prototype T-Xc Pilgrim aircra...
March 2nd
With its Pro Line Fusion integrated avionics selected for 17 aircraft ranging from a business turboprop to a military airlifter, Rockwell Collins is taking aim at the next market – helicopters. This means developing the system to handle a much wider...
March 2nd
NetJets Aviation, a fractional ownership company, has signed a five-year agreement with the FAA to implement NextGen projects, including analyzing NextGen data collected over the past several years.  NetJets is an obvious choice with more than 400 ai...
March 2nd
Caroline Bruneau PLAISIR, France—Zodiac Aerospace is developing an innovative digital-connectivity technology that could eliminate the risks lightning poses to composite aircraft. Known as LiSafeTM, the system...
From FlightGlobal
February 27th
Bombardier has launched the flight test campaign of the stretched, 135-seat CS300 with a 4h57min sortie from the company's final assembly centre in Mirabel, Canada.
February 27th
Bombardier has flown the larger variant of the CSeries for the first time.
February 27th
​US Navy officials say new uses for existing munitions, as demonstrated with two recent novel deployments of the Raytheon BGM-109 Tomahawk cruise missile, should be sought as cost effective alternatives to expensive and time consuming development pr...
February 27th
In the week that Royal Australian Air Force officials hailed the performance of the service’s Boeing 737-based Wedgetail aircraft over Iraq – and as the UK draws closer to announcing a successor to its Westland Sea King 7 capability – our Top 10 looks at ...
February 27th
​Russia’s United Aircraft has approved a plan to produce two aerial refuelling tankers, based on the Ilyushin Il-96, for the country’s armed forces.
February 27th
​Canadian airframer Bombardier is set to conduct the maiden flight of its CS300 aircraft today.



  • Two new links on the LINKS page, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Brazilian KC 390 First Flight - 2015/02/03

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SOLAR IMPULSE: Wonderful engineering work

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